Caledon OPP are investigating a death after a call to a residence on Deer Ridge Trail just before 10 pm on Saturday evening.
One person was taken to hospital with injuries and later pronounced dead.
Police say that the cause of death has not been confirmed, but also believe that there is no threat to public safety.
Residents in the area should expect continued police presence while the investigation continues.
Anyone with information is asked to call the OPP at 1-888-310-1122, or Crime Stoppers at 1-800-222-TIPS (8477).